diff --git a/docs/index.html b/docs/index.html
index 89eaf3d..c13b60d 100644
--- a/docs/index.html
+++ b/docs/index.html
@@ -178,7 +178,7 @@
   <div id="redoc-container"></div>
   <script>
     window.addEventListener('DOMContentLoaded', function () {
-      let specUrl = 'https://raw.githubusercontent.com/ipfs/pinning-services-api-spec/master/ipfs-pinning-service.yaml'
+      let specUrl = 'https://raw.githubusercontent.com/ipfs/pinning-services-api-spec/main/ipfs-pinning-service.yaml'
       // display alternative YAML if passed in hash (used for PR preview etc)
       if (window.location.hash.indexOf('specUrl=') === 1) {
         specUrl = window.location.hash.split('specUrl=')[1]